ussd codes doesn't work on 5.1.1

Hi

What is the solution ?

Thanks

Can't access USSD on AOSPAL

I've been using AOSPAL for a few months and I am attempting to access T-Mobile's USSD to unlock my phone . However, its just says "USSD Code Running," and it takes me back to dialer. Do I have to go back into LG Stock UI and use the USSD codes or theres a fix for it? Also Im concerned about if I flash another ROM or restore my back up, would my phone still be unlocked?

Can't access T-Mobile USSD on AOSPAL(D851)

I've been using AOSPAL for a few months and I am attempting to access T-Mobile's USSD to unlock my phone . However, its just says "USSD Code Running," and it takes me back to dialer. Do I have to go back into LG Stock UI and use the USSD codes or theres a fix for it? Also Im concerned about if I flash another ROM or restore my back up, would my phone still be unlocked?

[Need Help] USSD code not running in any ROM xt912

Hi.
I am using xt912 gsm prepaid sim India.
I am facing problem with ussd code for checking my balance and other think.
Like *111# not working.
I tried CM12.1 and AOKP
But same problem.
Can any one fix this ?
Or give me any other rom 4.4 or 4.1
Thanks .